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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erab294
|2 doi
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|a pubmed24n1403.xml
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|a (DE-627)NLM326793615
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|a (NLM)34131708
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Pescador, Leyre
|e verfasserin
|4 aut
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|a Nitric oxide signalling in roots is required for MYB72-dependent systemic resistance induced by Trichoderma volatile compounds in Arabidopsis
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 27.01.2022
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|a Date Revised 10.05.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2021. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a Volatile compounds (VCs) of Trichoderma fungi trigger induced systemic resistance (ISR) in Arabidopsis that is effective against a broad spectrum of pathogens. The root-specific transcription factor MYB72 is an early regulator of ISR and also controls the activation of iron-deficiency responses. Nitric oxide (NO) is involved in the regulation of MYB72-dependent iron-deficiency responses in Arabidopsis roots, but the role of NO in the regulation of MYB72 and ISR by Trichoderma VCs remains unexplored. Using in vitro bioassays, we applied Trichoderma VCs to Arabidopsis seedlings. Plant perception of Trichoderma VCs triggered a burst of NO in Arabidopsis roots. By suppressing this burst using an NO scavenger, we show the involvement of NO in Trichoderma VCs-mediated regulation of MYB72 expression. Using an NO scavenger and the Arabidopsis lines myb72 and nia1nia2 in in planta bioassays, we demonstrate that NO signalling is required in the roots for activation of Trichoderma VCs-mediated ISR against the leaf pathogen Botrytis cinerea. Analysis of the defence-related genes PR1 and PDF1.2 points to the involvement of root NO in priming leaves for enhanced defence. Our results support a key role of root NO signalling in the regulation of MYB72 expression during the activation of ISR by Trichoderma VCs
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Trichoderma
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|a Arabidopsis
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|a MYB72
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|a defence priming
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|a induced systemic resistance
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|a microbial volatile compounds
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|a nitric oxide
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Nitric Oxide
|2 NLM
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| 650 |
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|a 31C4KY9ESH
|2 NLM
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| 700 |
1 |
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|a Fernandez, Iván
|e verfasserin
|4 aut
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| 700 |
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|a Pozo, María J
|e verfasserin
|4 aut
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| 700 |
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|a Romero-Puertas, María C
|e verfasserin
|4 aut
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|a Pieterse, Corné M J
|e verfasserin
|4 aut
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|a Martínez-Medina, Ainhoa
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 73(2022), 2 vom: 13. Jan., Seite 584-595
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:73
|g year:2022
|g number:2
|g day:13
|g month:01
|g pages:584-595
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|u http://dx.doi.org/10.1093/jxb/erab294
|3 Volltext
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